Description

Wooldridge Source: Obtained from the United States Census Bureau by Professor Alberto Abadie of the Harvard Kennedy School of Government. Professor Abadie kindly provided the data. Data loads lazily.

Usage

Format

A data.frame with 29501 observations on 6 variables:

• state: State (ICPSR code)

• puma: Public Use Microdata Area

• educ: educational attainment

• lweekinc: log(weekly income)

• exper: years workforce experience

• expersq: exper^2

Used in Text

pages 452-453

Source

http://www.cengage.com/c/introductory-econometrics-a-modern-approach-6e-wooldridge

Examples